Home / 27,002.85-40,502.79-8,282.91

Finding the Fourth Proportional to 27,002.85, 40,502.79 and 8,282.91

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Solution

The fourth proportional to 27,002.85, 40,502.79 and 8,282.91 is: 12,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.85 : 40,502.79 = 8,282.91 : x
  2. Step 2: Convert to fraction form
    27,002.85/40,502.79 = 8,282.91/x
  3. Step 3: Cross multiply
    27,002.85x = 40,502.79 × 8,282.91
  4. Step 4: Simplify right side
    27,002.85x = 335,480,964.32
  5. Step 5: Solve for x
    x = 335,480,964.32/27,002.85
  6. Step 6: Final answer
    x = 12,423.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.